Occultic;Nine is a Japanese light novel series written by Chiyomaru Shikura, the creator of Steins;Gate. The series is licensed in English by J-Novel Club. A manga, illustrated by Ganjii, began serialization in October 2015. Wikipedia

Gamota went to the professor's death body, I was starting to feel that it would be a really dark anime but, so far the story is good and the character are well made, hopefully, it will keep going on this pace~